Finding the Fourth Proportional to 1,117,627.92, 1,676,691.90 and 407,655.99
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Solution
The fourth proportional to 1,117,627.92, 1,676,691.90 and 407,655.99 is: 611,575.18
Step by Step Solution
- Step 1: Write the proportion equation
1,117,627.92 : 1,676,691.90 = 407,655.99 : x - Step 2: Convert to fraction form
1,117,627.92/1,676,691.90 = 407,655.99/x - Step 3: Cross multiply
1,117,627.92x = 1,676,691.90 × 407,655.99 - Step 4: Simplify right side
1,117,627.92x = 683,513,496,419.48 - Step 5: Solve for x
x = 683,513,496,419.48/1,117,627.92 - Step 6: Final answer
x = 611,575.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.